CN117102233B - Excavating gear for restoring heavy metal contaminated soil - Google Patents
Excavating gear for restoring heavy metal contaminated soil Download PDFInfo
- Publication number
- CN117102233B CN117102233B CN202311358651.3A CN202311358651A CN117102233B CN 117102233 B CN117102233 B CN 117102233B CN 202311358651 A CN202311358651 A CN 202311358651A CN 117102233 B CN117102233 B CN 117102233B
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- China
- Prior art keywords
- soil
- baffle
- bucket
- rotary cylinder
- butt joint
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- 239000002689 soil Substances 0.000 title claims abstract description 190
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 16
- 239000003516 soil conditioner Substances 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims description 93
- 210000001503 joint Anatomy 0.000 claims description 59
- 238000003756 stirring Methods 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005067 remediation Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 7
- 239000013049 sediment Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Abstract
The invention provides an excavating device for restoring heavy metal contaminated soil, which relates to the field of soil restoration and comprises the following components: a bucket body; two bucket connecting frames are welded above the bucket main body and connected with a hydraulic mechanical arm of the agricultural excavator; the overturning driving piece is fixedly connected to the left surface of the bucket body through a bolt. The device can decompose the soil in a caking state and fully fuse with the soil conditioner, so that the conditioner is more uniformly fused in the soil, thereby further improving the use effect of the conditioner, enabling the conditioner to effectively play a role, and solving the problems that the conditioner is not easy to fuse into the soil under the ground when being applied on the ground surface, cannot treat the soil under the ground surface, resulting in poor treatment effect of heavy metal pollution of the soil, and the soil conditioner is not stirred and turned over after being applied, resulting in uneven contact of the soil conditioner and the soil and influence on the treatment effect of the soil.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to an excavating device for heavy metal contaminated soil remediation.
Background
Heavy metal pollution of farmland soil can cause excessive heavy metal in crops, and when the land polluted by the heavy metal is subjected to improvement treatment, chemical modifiers such as lime, alkaline phosphate, ferric oxide, carbonate, sulfide and the like can be applied to the soil to accelerate the decomposition of organic matters, so that the heavy metal is fixed in the soil, the migration capacity of the heavy metal in the soil and soil plants is reduced, the heavy metal is converted into indissoluble compounds, and the absorption of the crops is reduced, so that the poison of the heavy metal in the soil is lightened.
The existing farmland heavy metal pollution improvement treatment is characterized in that the modifier is uniformly applied to the land surface through the modifier application machine, the modifier is not easy to be fused into the soil of the subsurface layer when applied to the land surface, the improvement thickness of the land is limited, the soil of the subsurface layer cannot be treated, the heavy metal pollution treatment effect of the land is poor, the soil modifier is not stirred or turned after being applied, the contact between the soil modifier and the soil is not uniform, and the soil treatment effect is affected.
Disclosure of Invention
The invention provides an excavating device for restoring heavy metal contaminated soil, which aims to solve the problems that the soil is not easy to be fused into soil in the ground, the improvement thickness of the soil is limited, the soil in the ground cannot be treated, the heavy metal contaminated treatment effect of the soil is poor, the soil is not stirred or turned after the soil conditioner is applied, the contact between the soil conditioner and the soil is not uniform, and the soil treatment effect is affected.
The invention provides an excavating device for repairing heavy metal contaminated soil, which comprises the following components: a bucket body; two bucket connecting frames are welded above the bucket main body and connected with a hydraulic mechanical arm of the agricultural excavator; the overturning driving piece is fixedly connected to the left surface of the bucket body through a bolt; the left end of the soil turning rotary cylinder is fixedly connected with an output rotary shaft of the turning driving piece, and the soil turning rotary cylinder is rotationally connected in the excavator bucket body through a bearing and a sealing ring; the bucket baffle is connected inside the bucket body in a sliding manner, and the rear surface of the bucket baffle is attached to the inner surface of the bucket body; the baffle spiral pushing cylinder is fixedly connected to the right surface of the bucket body through a screw, and a push rod of the baffle spiral pushing cylinder is fixedly connected to the right end of the bucket baffle; the inner control rotary cylinder is connected inside the soil turning rotary cylinder in a sliding manner; the butt joint conveying sleeve is fixedly connected to the right surface of the excavator bucket body through a bracket, and the right end of the inner control rotary cylinder is movably connected with the butt joint conveying sleeve; and the modifier conveying hose is fixedly connected with the butt joint conveying sleeve, and the other end of the modifier conveying hose is connected with the soil modifier conveying pump.
Preferably, eight soil unloading openings are formed in the rear and bottom of the bucket body in a penetrating mode, the eight soil unloading openings are parallel to each other, baffle limiting grooves of an L-shaped structure are formed in the left wall and the right wall of the bucket body in a penetrating mode respectively, and the two baffle limiting grooves are flush.
Preferably, the soil unloading opening is a rectangular groove body.
Preferably, the notch of the soil unloading opening is of a structure with wide outside and narrow inside.
Preferably, the soil turning rotary cylinder is of a cylindrical structure, the outer surface of the soil turning rotary cylinder is connected with auxiliary stirring blades through welding, and the auxiliary stirring blades are uniformly distributed on the outer surface of the soil turning rotary cylinder in a spiral inclined structure.
Preferably, an external modifier port is formed in the wall of the soil turning rotary cylinder in a penetrating manner.
Preferably, a butt joint end post is fixedly connected with the middle of the left end face inside the soil turning rotary cylinder, the butt joint end post is perpendicular to the left end face inside the soil turning rotary cylinder, the butt joint end post is a square cylinder, and an end post butt joint circular groove of a circular groove structure is formed in the middle of the right end face of the butt joint end post.
Preferably, the bucket baffle is a plate body with an L-shaped section made by bending metal plates and is connected with the baffle limiting groove in a sliding mode.
Preferably, eight baffle opposite openings are formed in the bucket baffle in a penetrating manner, the eight baffle opposite openings are parallel to each other, a baffle folding edge is formed in the left edge of the bucket baffle through bending, an end push plate is formed in the right end of the bucket baffle, the left surface of the end push plate is fixedly connected with the outer end of a push rod of a baffle spiral pushing cylinder, and the baffle opposite opening of the bucket baffle is aligned with a soil unloading opening in a baffle spiral pushing cylinder shrinkage state.
Preferably, the inner control rotary cylinder is of a cylindrical structure, and an end socket is penetratingly arranged on the left end face of the inner control rotary cylinder, the end socket is of a square structure, and the end socket is in sliding connection with the butt joint end post.
Preferably, the right end of the inner control rotary cylinder is rotationally connected with a transverse push plate through a bearing, the left surface of the transverse push plate is fixedly connected with a push rod of a rotary cylinder pushing cylinder, the rotary cylinder pushing cylinder is fixedly connected on the right surface of the excavator bucket main body, an improver inner port is formed in the cylinder wall of the inner control rotary cylinder in a penetrating manner, and the rotary cylinder pushing cylinder keeps a contracted state to fix the transverse position of the inner control rotary cylinder, so that the improver inner port and the improver outer port are in a butt joint state.
Preferably, the inside cavity that is equipped with of butt joint conveying sleeve, the movable sleeve mouth of circular slot structure has been seted up in the middle of butt joint conveying sleeve's the left surface, fixedly connected with sealing washer on the movable sleeve mouth inward flange, movable sleeve mouth passes through sealing washer and internal control section of thick bamboo swing joint soon, butt joint conveying sleeve's inside right wall fixedly connected with inner axle, inner axle perpendicular to butt joint conveying sleeve's inside right wall, and inner axle and movable sleeve mouth are coaxial, the left end activity grafting end post butt joint circular slot of inner axle, fixedly connected with helical structure's auxiliary conveying spiral on the inner axle surface, modifier conveying hose intercommunication butt joint conveying sleeve's inner chamber.
The device has the following beneficial effects:
(1) The modifier application structure for heavy metal soil restoration in the device is matched with the excavating device, the modifier application device is positioned in the bucket of the excavating device, in the modifier application process, the bucket is controlled by the excavating machinery to excavate the ground to be treated, and simultaneously the modifier is applied to the soil in the bucket, so that the soil and the modifier can be fully mixed, the soil in the ground layer and the modifier can be fully mixed, the effect of the modifier is improved, and the problem that the modifier cannot be deep into the ground to deeply treat the ground when the modifier is applied to the ground is solved;
(2) The auxiliary overturning mechanism for the soil is arranged in the bucket in the device, when the soil is excavated into the bucket, the soil overturning rotary cylinder is started to rotate by the overturning driving piece, the auxiliary stirring blades are arranged on the outer surface of the soil overturning rotary cylinder, the soil in the bucket main body is overturned by the rotation of the auxiliary stirring blades, the uniform stirring of the soil is realized, the soil in a caking state is decomposed, and the soil is fully fused with the soil conditioner, so that the conditioner is more uniformly fused in the soil, the use effect of the conditioner is further improved, and the conditioner effectively plays a role;
(3) The auxiliary stirring device and the modifier conveying device in the device are of an integrated structure, when the soil is excavated, the angle of the excavator bucket is adjusted to ensure that the soil is not contacted with the soil turning rotary drum, the soil turning rotary drum is positioned above the soil, the position of the inner control rotary drum is adjusted under the state to ensure that the modifier outer opening is aligned with the modifier inner opening, the modifier is conveyed through the soil turning rotary drum and the inner control rotary drum, the modifier is applied to the upper surface of the soil in the excavator bucket main body through the modifier outer opening and the modifier inner opening, and when the auxiliary stirring of the soil is carried out, the position of the inner control rotary drum is controlled to ensure that the modifier outer opening and the modifier inner opening are staggered, the pipe body is closed, the soil is covered on the outer surface of the inner control rotary drum, the inner control rotary drum is stirred through the rotation of the inner control rotary drum, the modifier outer opening and the modifier inner opening are staggered to ensure that the pipe body is sealed, the condition that the inner control rotary drum is blocked when the modifier enters the discharge opening can be effectively avoided, the combined cylinder formed by the soil turning rotary drum and the inner control rotary drum has a multipurpose effect, the feeding structure is reduced, and the occupied space of a stirring mechanism is reduced;
(4) The auxiliary conveying screw with a screw structure is arranged in the modifier applying channel in the device, after the modifier enters the butt joint conveying sleeve through the modifier conveying hose, the modifier enters the inner control rotary cylinder through the right end opening of the inner control rotary cylinder, the soil turning rotary cylinder is driven to rotate by the turning driving piece and simultaneously is linked to rotate, the auxiliary conveying screw is fixed in the rotating state of the inner control rotary cylinder, and sediment in the modifier is uniformly distributed in the inner control rotary cylinder under the friction force of the inner wall of the inner control rotary cylinder and the action of the auxiliary conveying screw structure, so that the condition that the modifier applying channel is blocked due to the coagulation of sediment in the modifier is avoided;
(5) The rear wall of the interior of the bucket body in the device is provided with the bucket baffle, the bucket baffle can be adjusted left and right in the bucket body under the action of the baffle spiral pushing cylinder, the butt joint and staggering of the baffle pair connection opening and the soil unloading opening are controlled, the bottom of the bucket body is in a sealed state in a staggered state of the baffle pair connection opening and the soil unloading opening, soil in the bucket body cannot be discharged, the soil in the bucket body can be stirred through the stirring mechanism in the state, and when the baffle pair connection opening and the soil unloading opening are in a butt joint state, the soil in the bucket body can be discharged out of the bucket body through the soil unloading opening, so that the soil can be uniformly scattered on the ground, the bucket body can be changed into various states, the adjustment mode is convenient and quick, and the adjustment of corresponding states can be carried out in favor of matching with a soil improvement flow.
Drawings
FIG. 1 is a schematic view of an embodiment of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the rear of the bucket body in an embodiment of the apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the apparatus of the present invention in a separated state of the bucket body and the bucket stop;
FIG. 4 is a schematic view of the interior of the bucket body in an embodiment of the apparatus of the present invention;
FIG. 5 is a schematic diagram of a full section of a soil turning rotary drum and an inner control rotary drum in a sleeved state in an embodiment of the device;
FIG. 6 is a schematic view of the structure of a butt end column in an embodiment of the apparatus of the present invention;
FIG. 7 is a schematic view of the structure of the modifier inner port in an embodiment of the device of the invention;
FIG. 8 is a schematic view of the structure of the device of the present invention in a docked state in which the inner control rotor is docked with the docking transport sleeve;
FIG. 9 is a schematic view of the structure of FIG. 2, partially enlarged at A;
FIG. 10 is a schematic view of the structure of FIG. 6, partially enlarged at B;
FIG. 11 is a schematic view of the structure of FIG. 7 with a partial enlargement at C;
FIG. 12 is a schematic view of the structure of FIG. 8 at D in partial enlargement;
list of reference numerals:
1. a bucket body; 101. a soil unloading port; 102. baffle limiting grooves;
2. a bucket connecting frame;
3. a flip drive;
4. turning soil and rotating a cylinder; 401. auxiliary stirring blades; 402. an outer port of the modifier; 403. butt joint end posts; 404. the end posts are butted with the round grooves;
5. a bucket baffle; 501. the baffle is opposite to the opening; 502. folding edges of the baffle plates; 503. an end push plate;
6. the baffle plate pushes the cylinder spirally;
7. an inner control rotary cylinder; 701. an improver inner port; 702. a tip socket; 703. a transverse push plate; 704. a rotary cylinder pushing cylinder;
8. butting a conveying sleeve; 801. a movable sleeve opening; 802. an inner connecting shaft; 803. auxiliary conveying screw;
9. and a modifier delivery hose.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
please refer to fig. 1 to 12:
the invention provides an excavating device for repairing heavy metal contaminated soil, which comprises: a bucket body 1; two bucket connecting frames 2 are welded above the bucket main body 1, and the bucket connecting frames 2 are connected with a hydraulic mechanical arm of the agricultural excavator; the overturning driving piece 3 is fixedly connected to the left surface of the bucket body 1 through a bolt; the soil turning rotary cylinder 4 is fixedly connected with an output rotary shaft of the turning driving piece 3 at the left end of the soil turning rotary cylinder 4, and the soil turning rotary cylinder 4 is rotationally connected in the excavator bucket main body 1 through a bearing and a sealing ring; the bucket baffle 5 is connected inside the bucket body 1 in a sliding manner, and the rear surface of the bucket baffle 5 is attached to the inner surface of the bucket body 1; the baffle spiral pushing cylinder 6 is fixedly connected to the right surface of the bucket main body 1 through a screw, and a push rod of the baffle spiral pushing cylinder 6 is fixedly connected to the right end of the bucket baffle 5; the inner control rotary cylinder 7 is connected inside the soil turning rotary cylinder 4 in a sliding manner; the butt joint conveying sleeve 8 is fixedly connected to the right surface of the bucket body 1 through a bracket, and the right end of the inner control rotary cylinder 7 is movably connected with the butt joint conveying sleeve 8; modifier conveying hose 9, modifier conveying hose 9 fixed connection butt joint conveying sleeve 8, and soil modifier delivery pump is connected to the other end of modifier conveying hose 9, and soil modifier delivery pump is connected with modifier storage container, stores the modifier of adding water through the modifier storage container, carries liquid modifier to modifier conveying hose 9 through the soil modifier delivery pump and gets into modifier conveying structure.
Eight soil unloading openings 101 are formed in the rear and bottom of the bucket body 1 in a penetrating manner, the eight soil unloading openings 101 are parallel to each other, baffle limiting grooves 102 of an L-shaped structure are formed in the left wall and the right wall of the bucket body 1 in a penetrating manner respectively, and the two baffle limiting grooves 102 are flush; the bucket baffle 5 is in sliding connection with the baffle limiting groove 102, the bucket baffle 5 is a plate body with an L-shaped structure in the section made by bending metal plates, the bucket baffle 5 and the baffle limiting groove 102 are in sliding connection to play a guiding role, the bucket baffle 5 is kept in a state of being attached to the inner wall of the bucket body 1, the soil unloading opening 101 is kept blocked, and the soil leakage of incomplete and full mixing inside the bucket body 1 is avoided.
Wherein the soil unloading port 101 is a rectangular groove body; eight baffle opposite openings 501 are formed in the bucket baffle 5 in a penetrating manner, the eight baffle opposite openings 501 are parallel to each other, a baffle folded edge 502 is formed in the left edge of the bucket baffle 5 through bending, an end push plate 503 is formed in the right end of the bucket baffle 5, the left surface of the end push plate 503 is fixedly connected with the outer end of a push rod of a baffle spiral pushing cylinder 6, and in a contracted state of the baffle spiral pushing cylinder 6, the baffle opposite openings 501 of the bucket baffle 5 are aligned with the soil unloading opening 101; the bucket baffle 5 can be adjusted left and right in the bucket body 1 under the action of the baffle spiral pushing cylinder 6, the bottom of the bucket body 1 is in a sealed state under the staggered state of the baffle opposite opening 501 and the soil unloading opening 101, soil in the bucket body 1 cannot be discharged, the stirring mechanism can stir the soil in the bucket body 1 under the state, when the baffle opposite opening 501 and the soil unloading opening 101 are in a butt joint state, the soil in the bucket body 1 can be discharged out of the bucket body through the soil unloading opening 101, so that the soil is uniformly sprinkled on the ground, soil heavy metal pollution treatment is realized, meanwhile, soil is turned over in a soil engineering mode, deeper soil participates in, a modifier is better mixed with deep soil, the soil improvement effect is improved, the condition that the soil in the lower layer cannot contact the modifier is avoided, the bucket body can be changed into various states, the adjustment mode is convenient, and the adjustment of the corresponding state is facilitated by matching with the soil improvement flow.
The soil turning rotary cylinder 4 is of a cylindrical structure, auxiliary stirring blades 401 are connected to the outer surface of the soil turning rotary cylinder 4 through welding, and the auxiliary stirring blades 401 are uniformly distributed on the outer surface of the soil turning rotary cylinder 4 in a spiral inclined structure; the soil turning rotary drum 4 is driven to rotate through the turning driving piece 3, under the condition that the soil inside the bucket body 1 is buried by the soil turning rotary drum 4, the soil turning rotary drum 4 is driven to rotate through the turning driving piece 3, the soil turning rotary drum 4 drives the auxiliary stirring blades 401 to rotate, the soil inside the bucket body 1 is stirred at a uniform speed through the auxiliary stirring blades 401, the soil in a caking state can be dispersed, the modifier and the soil are fully mixed, the effect of the soil modifier is better exerted, and the modifier and the soil modifier are fully fused, so that the modifier is more uniformly fused inside the soil, and the use effect of the modifier is further improved.
The middle of the left end surface inside the soil turning rotary cylinder 4 is fixedly connected with a butt joint end column 403, the butt joint end column 403 is perpendicular to the left end surface inside the soil turning rotary cylinder 4, the butt joint end column 403 is a square column, and an end column butt joint circular groove 404 with a circular groove structure is formed in the middle of the right end surface of the butt joint end column 403; the inner control rotary cylinder 7 is of a cylindrical structure, an end socket 702 is arranged on the left end face of the inner control rotary cylinder 7 in a penetrating way, the end socket 702 is of a square structure, and the end socket 702 is connected with the butt joint end post 403 in a sliding way; the torque transmission between the inner control rotary cylinder 7 and the soil turning rotary cylinder 4 is realized through the butt joint of the end socket 702 and the butt joint end post 403, and the inner control rotary cylinder 7 can be adjusted in the left-right direction inside the soil turning rotary cylinder 4.
Wherein, the wall of the soil turning rotary cylinder 4 is provided with an external modifier port 402 in a penetrating way; the right end of the inner control rotary cylinder 7 is rotationally connected with a transverse push plate 703 through a bearing, the left surface of the transverse push plate 703 is fixedly connected with a push rod of a rotary cylinder pushing cylinder 704, the rotary cylinder pushing cylinder 704 is fixedly connected to the right surface of the bucket main body 1, an improver inner port 701 is formed in the wall of the inner control rotary cylinder 7 in a penetrating manner, and the rotary cylinder pushing cylinder 704 keeps a contracted state to fix the transverse position of the inner control rotary cylinder 7, so that the improver inner port 701 and the improver outer port 402 are in a butt joint state; the horizontal push plate 703 is pushed by the rotary cylinder pushing cylinder 704 to control the inner control rotary cylinder 7 to move rightwards, so that the position relation between the modifier outer port 402 and the modifier inner port 701 is adjusted, the soil in the bucket body 1 can be discharged out of the bucket body through the soil unloading port 101 under the alignment state of the modifier inner port 701 and the modifier outer port 402, so that the soil can be uniformly scattered on the ground, when the modifier inner port 701 and the modifier outer port 402 are in a staggered state, the bottom of the bucket body 1 is in a sealing state, the soil in the bucket body 1 cannot be discharged, and the soil in the bucket body 1 can be turned over by the stirring mechanism.
Wherein, a cavity is arranged in the butt joint conveying sleeve 8, a movable sleeve mouth 801 with a round groove structure is arranged in the middle of the left surface of the butt joint conveying sleeve 8, a sealing ring is fixedly connected to the inner edge of the movable sleeve mouth 801, the movable sleeve mouth 801 is movably connected with the inner control rotary drum 7 through the sealing ring, an inner connecting shaft 802 is fixedly connected to the right wall in the butt joint conveying sleeve 8, the inner connecting shaft 802 is perpendicular to the right wall in the butt joint conveying sleeve 8, the inner connecting shaft 802 is coaxial with the movable sleeve mouth 801, the left end of the inner connecting shaft 802 is movably inserted into the end column butt joint round groove 404, an auxiliary conveying screw 803 with a screw structure is fixedly connected to the outer surface of the inner connecting shaft 802, and the modifier conveying hose 9 is communicated with the inner cavity of the butt joint conveying sleeve 8; the left end of the inner shaft 802 is rotationally connected inside the end column butt joint circular groove 404, the inner shaft 802 is supported, the soil turning rotary cylinder 4 and the inner control rotary cylinder 7 synchronously rotate under the drive of the turning driving piece 3, the butt joint conveying sleeve 8 and the inner shaft 802 are fixed, in the modifier conveying process, the modifier conveying hose 9 conveys the modifier conveying sleeve 8 to the inside, the modifier conveying hose enters the inside through the right end opening of the inner control rotary cylinder 7, the auxiliary conveying spiral 803 is fixed in the rotating process of the inner control rotary cylinder 7, sediment in the modifier is uniformly distributed inside the inner control rotary cylinder 7 under the friction force of the inner wall of the inner control rotary cylinder 7 and the spiral structure of the auxiliary conveying spiral 803, so that the condition that a modifier application channel is blocked due to the coagulation of sediment in the modifier is avoided, and the condition that the sediment of the modifier is adhered to the inner wall of the inner control rotary cylinder 7 to cause the blockage of a pipe body can be effectively prevented.
Embodiment two: the notch of the soil unloading opening 101 is of a structure with wide outside and narrow inside, and the soil unloading opening 101 of the structure can effectively avoid the condition that soil is blocked to the soil unloading opening 101 in the process of discharging soil from the inside of the bucket main body 1 outwards, so that the circulation of the soil unloading opening 101 is improved.
The specific use mode and action of the device are as follows: firstly, the bucket main body 1 is arranged on a hydraulic mechanical arm of the excavating machine through the bucket connecting frame 2, the excavating machine is driven to a heavy metal pollution area, then the excavating machine is controlled to work on the land of the heavy metal pollution area needing to be repaired, under the normal state, the baffle spiral pushing cylinder 6 is in a contracted state, the bucket baffle 5 is fixedly connected with the baffle spiral pushing cylinder 6, under the state, the baffle is in an intersection state with the inlet 501 and the soil unloading opening 101, the effect of blocking the soil unloading opening 101 is achieved through the bucket baffle 5, the bucket main body 1 is in a complete bucket state, the hydraulic mechanical arm of the excavating machine is operated to enable the bucket of the bucket main body 1 to be inserted into the land, the bucket is lifted, then the overturning driving piece 3 is started, the rotary cylinder 704 is controlled to be contracted, the inner control rotary cylinder 7 is pulled leftwards, the modifier inner opening 701 is aligned with the modifier outer opening 402, the modifier conveying hose 9 is connected with an external modifier conveying pump, the water-blended soil modifier is conveyed into the butt joint conveying sleeve 8 through the modifier conveying hose 9, enters the inside of the cylinder body through the right end opening of the inner control rotary cylinder 7, the inner control rotary cylinder 7 is linked to rotate while the soil turning rotary cylinder 4 is driven by the turning driving piece 3, the auxiliary conveying screw 803 is fixed under the rotating state of the inner control rotary cylinder 7, the sediment in the modifier is uniformly distributed in the inner control rotary cylinder 7 under the friction force of the inner wall of the inner control rotary cylinder 7 and the spiral structure of the auxiliary conveying screw 803, the sediment is effectively prevented from adhering to the inner wall of the inner control rotary cylinder 7 to cause blockage of the cylinder body, at the moment, the modifier inner opening 701 is aligned with the modifier outer opening 402, the soil turning rotary cylinder 4 is positioned above the soil in the bucket body 1, the soil conditioner is evenly applied to the upper layer of soil inside the bucket body 1 through the opening of the pipe body, the transverse pushing plate 703 is pushed rightwards by the control rotary cylinder pushing cylinder 704 after the soil conditioner is applied, the inner control rotary cylinder 7 moves rightwards, the modifier inner opening 701 and the modifier outer opening 402 are staggered, the modifier outlet can be blocked, then the bucket body 1 is controlled to overturn, the bucket body 1 is inclined backwards, soil is covered on the soil turning cylinder 4, the soil turning rotary cylinder 4 is driven to rotate through the overturning driving piece 3, the soil inside the bucket body 1 is repeatedly stirred through the auxiliary stirring blade 401, the soil in a caking state is dispersed, the soil inside the bucket body 1 is fully mixed with the modifier, the modifier is fully dispersed in the soil, the bucket body 1 is controlled to incline backwards after the mixing is completed, the bucket baffle 5 is pushed rightwards through the action of the baffle spiral pushing cylinder 6, the whole bucket baffle 5 moves rightwards, the baffle is aligned to the inlet 501 and the soil unloading opening 101, the bottom of the bucket body 1 is unfolded, the soil inside the bucket body 1 is completely mixed with the soil, the soil conditioner is discharged to the soil conditioner under the soil mixing state, the soil is polluted by the farmland, and the soil is polluted by the farmland soil is discharged by the soil, and the soil is polluted by the soil in the farmland.
Claims (5)
1. An excavating device for repairing heavy metal contaminated soil, comprising: a bucket body (1); two bucket connecting frames (2) are connected above the bucket main body (1) through welding, and the bucket connecting frames (2) are connected with a hydraulic mechanical arm of an agricultural excavator; the overturning driving piece (3), the overturning driving piece (3) is fixedly connected to the left surface of the bucket main body (1) through a bolt; the soil turning rotary cylinder (4), the left end of the soil turning rotary cylinder (4) is fixedly connected with an output rotary shaft of the turning driving piece (3), and the soil turning rotary cylinder (4) is rotationally connected in the excavator bucket main body (1) through a bearing and a sealing ring; the excavator bucket baffle (5), the excavator bucket baffle (5) is connected inside the excavator bucket main body (1) in a sliding manner, and the rear surface of the excavator bucket baffle (5) is attached to the inner surface of the excavator bucket main body (1); the baffle spiral pushing cylinder (6), the baffle spiral pushing cylinder (6) is fixedly connected to the right surface of the bucket main body (1) through a screw, and a push rod of the baffle spiral pushing cylinder (6) is fixedly connected to the right end of the bucket baffle (5); the inner control rotary cylinder (7), the inner control rotary cylinder (7) is connected inside the soil turning rotary cylinder (4) in a sliding way; the butt joint conveying sleeve (8), the butt joint conveying sleeve (8) is fixedly connected to the right surface of the bucket main body (1) through a bracket, and the right end of the inner control rotary cylinder (7) is movably connected with the butt joint conveying sleeve (8); the soil conditioner comprises a conditioner conveying hose (9), wherein the conditioner conveying hose (9) is fixedly connected with a butt joint conveying sleeve (8), and the other end of the conditioner conveying hose (9) is connected with a soil conditioner conveying pump; eight soil unloading openings (101) are formed in the rear and bottom of the bucket body (1) in a penetrating mode, the eight soil unloading openings (101) are parallel to each other, baffle limiting grooves (102) of an L-shaped structure are formed in the left wall and the right wall of the bucket body (1) in a penetrating mode, and the two baffle limiting grooves (102) are flush; an improver outer port (402) is formed in the wall of the soil turning rotary cylinder (4) in a penetrating manner; a butt joint end column (403) is fixedly connected in the middle of the left end face inside the soil turning rotary cylinder (4), the butt joint end column (403) is perpendicular to the left end face inside the soil turning rotary cylinder (4), the butt joint end column (403) is a square column, and an end column butt joint circular groove (404) with a circular groove structure is formed in the middle of the right end face of the butt joint end column (403); eight baffle opposite-connection openings (501) are formed in the bucket baffle (5) in a penetrating mode, the eight baffle opposite-connection openings (501) are parallel to each other, a baffle folding edge (502) is formed in the left edge of the bucket baffle (5) through bending, an end push plate (503) is formed in the right end of the bucket baffle (5), the left surface of the end push plate (503) is fixedly connected with the outer end of a push rod of a baffle spiral pushing cylinder (6), and the baffle opposite-connection openings (501) of the bucket baffle (5) are aligned with a soil unloading opening (101) in a shrinkage state of the baffle spiral pushing cylinder (6); the inner control rotary cylinder (7) is of a cylindrical structure, an end socket (702) is formed in the left end face of the inner control rotary cylinder (7) in a penetrating mode, the end socket (702) is of a square structure, and the end socket (702) is connected with the butt joint end column (403) in a sliding mode; the right end of the inner control rotary cylinder (7) is rotationally connected with a transverse push plate (703) through a bearing, the left surface of the transverse push plate (703) is fixedly connected with a push rod of a rotary cylinder pushing cylinder (704), the rotary cylinder pushing cylinder (704) is fixedly connected to the right surface of the excavator bucket main body (1), an improver inner port (701) is formed in the cylinder wall of the inner control rotary cylinder (7) in a penetrating manner, and the rotary cylinder pushing cylinder (704) keeps the transverse position of the inner control rotary cylinder (7) in a contracted state to enable the improver inner port (701) and the improver outer port (402) to be in a butt joint state; the inside right wall fixedly connected with interconnection axle (802) of butt joint conveying sleeve (8), interconnection axle (802) perpendicular to butt joint conveying sleeve (8) inside right wall, and interconnection axle (802) are coaxial with movable sleeve mouth (801), and the left end activity grafting end post butt joint circular slot (404) of interconnection axle (802), auxiliary conveying spiral (803) of fixedly connected with spiral structure on interconnection axle (802) surface, the inner chamber of butt joint conveying sleeve (8) is linked together to modifier conveying hose (9).
2. An excavating device for remediation of heavy metal contaminated soil according to claim 1 wherein: the soil unloading opening (101) is a rectangular groove body; the notch of the soil unloading opening (101) is of a structure with wide outside and narrow inside.
3. An excavating device for restoration of heavy metal contaminated soil according to claim 1 or 2, wherein: the soil turning rotary cylinder (4) is of a cylindrical structure, auxiliary stirring blades (401) are connected to the outer surface of the soil turning rotary cylinder (4) through welding, and the auxiliary stirring blades (401) are uniformly distributed on the outer surface of the soil turning rotary cylinder (4) in a spiral inclined structure.
4. An excavating device for restoration of heavy metal contaminated soil according to claim 1 or 2, wherein: the bucket baffle (5) is connected with the baffle limiting groove (102) in a sliding mode, and the bucket baffle (5) is a plate body with an L-shaped cross section made of metal plates through bending.
5. An excavating device for restoration of heavy metal contaminated soil according to claim 1 or 2, wherein: the butt joint conveying sleeve (8) is internally provided with a cavity, a movable sleeve opening (801) with a circular groove structure is formed in the middle of the left surface of the butt joint conveying sleeve (8), a sealing ring is fixedly connected to the inner edge of the movable sleeve opening (801), and the movable sleeve opening (801) is movably connected with the inner control rotary cylinder (7) through the sealing ring.
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| CN202311358651.3A CN117102233B (en) | 2023-10-19 | 2023-10-19 | Excavating gear for restoring heavy metal contaminated soil |
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| CN202311358651.3A CN117102233B (en) | 2023-10-19 | 2023-10-19 | Excavating gear for restoring heavy metal contaminated soil |
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| CN117102233B true CN117102233B (en) | 2024-01-19 |
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| CN117102233A (en) | 2023-11-24 |
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